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Chapter 2
Using the Command-Line Interface
ROM Monitor CLI
The ROM monitor is a ROM-based program that executes when the switch is powered on, reset, or when
a fatal exception occurs. The system enters ROM monitor mode if the nonvolatile RAM (NVRAM)
configuration is corrupted, if the switch does not find a valid system image, or if the configuration
register is set to enter ROM monitor mode. From the ROM monitor mode, you can load a system image
manually from Flash memory or the network interface (me1).
You can enter ROM monitor mode by pressing Ctrl-C within the first 5 seconds of startup. Once you are
in ROM monitor mode, the prompt changes to rommon>. Enter the ? command to see the available ROM
monitor commands.
For complete descriptions of all ROM monitor commands, refer to the Catalyst 4500 Series,
Note
Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Command Reference.
Example of a Catalyst 4003 Bootup Display
This example shows the bootup display of a Catalyst 4003 switch. The display on the Catalyst 4912G,
the Catalyst 2948G, and the Catalyst 2980G switches are similar.
WS-X4012 bootrom version 4.5(1), built on 1999.03.29 21:04:04
H/W Revisions:
Supervisor MAC addresses: 00:d0:58:70:a1:00 through 00:d0:58:70:a4:ff (1024 addresses)
Installed memory: 32 MB
Testing LEDs.... done!
The system will autoboot in 5 seconds.
Type control-C to prevent autobooting.
rommon 1 >
The system will now begin autobooting.
Autobooting image: "bootflash:cat4000.5-1-1a.bin"
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
CCCCCCCCCCCCCC############################
Starting Off-line Diagnostics
Mapping in TempFs
Board type is WS-X4012
DiagBootMode value is "post"
Loading diagnostics...
Power-on-self-test for Module 1:
Status: (. = Pass, F = Fail)
processor: .
enet console port: .
switch registers: .
switch port 2: .
switch port 5: .
switch port 8: .
switch port 11: .
Module 1 Passed
Power-on-self-test for Module 2:
Port status: (. = Pass, F = Fail)
1: .
9: .
17: .
25: .
33: .
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide—Release 8.2GLX
78-15908-01
Meteor: 4
cpu sdram: .
nvram: .
switch port 0: .
switch port 3: .
switch port 6: .
switch port 9: .
switch bandwidth: .
2: .
3: .
4: .
5: .
10: .
11: .
12: .
13: .
18: .
19: .
20: .
21: .
26: .
27: .
28: .
29: .
34: .
35: .
36: .
37: .
Comet: 8
Board: 2
WS-X4012
temperature sensor: .
switch sram: .
switch port 1: .
switch port 4: .
switch port 7: .
switch port 10: .
WS-X4148
6: .
7: .
8: .
14: .
15: .
16: .
22: .
23: .
24: .
30: .
31: .
32: .
38: .
39: .
40: .
ROM Monitor CLI
2-9
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Table of Contents
Troubleshooting
